double-barrelled

Used other than figuratively or idiomatically: see double, barrelled. Having two barrels, as a gun.

Twofold, having a double purpose or nature.

Alexander Taylor, a native of Stonehaven who in the later forties went to Edinburgh, where he enjoyed a double-barrelled reputation as a rhymester and as an astronomer.

Order-maintenance crackdowns are not an alternative but rather an addition to the severe penalties that dominate criminal justice […] What we are left with today is a system of severe punishments for major offenders and severe treatments for minor offenders and ordinary citizens, especially minorities, a double-barreled approach with significant effects on large numbers of our citizenry.

Having two separate parts, often adjoined by a hyphen (or sometimes a space).

Almost unbelievably, some authors have formed the erroneous conception that ‘Hobson-Jobson’ is actually the double-barrelled surname of the dictionary’s editor.

Forceful, powerful (like a double-barrelled shotgun).

When the sheriff arrested [Lucy Hicks Anderson] one night, her double-barrelled reputation paid off—Charles Donlon, the town's leading banker, promptly bailed her out. Reason: He had scheduled a huge dinner party, which would have collapsed dismally with Lucy In gaol.

Range Rover ran an ad campaign referring to grouse shooting with the line: “There’s only one car for the double-barrelled.”